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https://issues.apache.org/jira/browse/HBASE-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihong Yu updated HBASE-5387:
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Status: Patch Available (was: Open)
> Reuse compression streams in HFileBlock.Writer
> ----------------------------------------------
>
> Key: HBASE-5387
> URL: https://issues.apache.org/jira/browse/HBASE-5387
> Project: HBase
> Issue Type: Bug
> Reporter: Mikhail Bautin
> Attachments: Fix-deflater-leak-2012-02-10_18_48_45.patch
>
>
> We need to to reuse compression streams in HFileBlock.Writer instead of
> allocating them every time. The motivation is that when using Java's built-in
> implementation of Gzip, we allocate a new GZIPOutputStream object and an
> associated native data structure any time. This is one suspected cause of
> recent TestHFileBlock failures on Hadoop QA:
> https://builds.apache.org/job/HBase-TRUNK/2658/testReport/org.apache.hadoop.hbase.io.hfile/TestHFileBlock/testPreviousOffset_1_/.
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